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17318 (2091 T-1)
Classification:
Main-belt Asteroid
SPK-ID:
2017318
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
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Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference:
JPL 36
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1591304658108473
3.4292e-08
a
2.750445445733554
1.222e-08
au
q
2.31276578076665
9.5613e-08
au
i
13.35846275178621
3.9545e-06
deg
node
179.5893959350817
1.3922e-05
deg
peri
164.8815224852063
1.7241e-05
deg
M
170.3316666550843
1.1197e-05
deg
t
p
2458412.192107145930
(2018-Oct-20.69210715)
5.0502e-05
TDB
period
1666.107348095946
4.56
1.1104e-05
3.04e-08
d
yr
n
.2160725120211574
1.44e-09
deg/d
Q
3.188125110700458
1.4165e-08
au
Orbit Determination Parameters
# obs. used (total)
1696
data-arc span
18254 days (49.98 yr)
first obs. used
1971-03-24
last obs. used
2021-03-15
planetary ephem.
DE441
SB-pert. ephem.
SB441-N16
condition code
0
norm. resid. RMS
.48608
source
ORB
producer
Otto Matic
solution date
2021-Apr-13 02:01:18
Additional Information
Earth MOID
= 1.30704 au
Jupiter MOID
= 2.26704 au
T_jup
= 3.289
[ show covariance matrix ]
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Orbital Elements
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
13.88
n/a
E2021B10
17318 (2091 T-1)
Discovered 1971-Mar-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference:
20000913/Numbers.arc
Last Updated:
2004-04-19
[ show close-approach data ]
Alternate Designations
2091 T-1
= 1999 JD94
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2021-Apr-18 00:11 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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Alan B. Chamberlin